Perhaps you should try some spelling variations:
state integration » statt integration, scale integration, space integration
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology state » technology strategy, technology system, technology study
integration work » integrating world, integration framework, integration 3
developpement en » developpement et, developpement des, developpement de
work space » work spaces, world space, work place
space 6.2 » spaces 6.2, space 3.2, space 2.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology state integration work space 6.2 communication costs _ developpement en afrique.*.